adam@2018: ========
adam@2018: 20140531
adam@2018: ========
adam@2018: 
adam@2018: - Parsing extension: monadic bind supports patterns, like "(x, y) <- a; b"
adam@2018: - New, optional less safe FFI
adam@2018: - New HTML tags: <tbody>, <tfoot>, <thead>
adam@2018: - HTML5 data-* attributes
adam@2018: - HTML5 semantic tags
adam@2018: - Syntactic sugar extension: allow parens grouping joins in FROM clauses
adam@2018: - Bug fixes and documentation improvements
adam@2018: 
adam@2003: ========
adam@2003: 20140426
adam@2003: ========
adam@2003: 
adam@2003: - New Basis functions having to do with dates and times, wrapped nicely in new
adam@2003:   Datetime module of standard library
adam@2003: - New .urp directives: 'html5', 'neverInline', 'noMangleSql'
adam@2003: - New command-line arguments: '-explainEmbed', '-stop'
adam@2003: - Changes to C FFI interface, especially for uw_register_transactional()
adam@2003: - 'Basis.getEnv' now always calls UNIX getenv() outside a page handler.
adam@2003: - Changed <active> to avoid generating an empty <span> for empty content.
adam@2003: - New HTML tag: <pre>
adam@2003: - Bug fixes and improvements to type inference, optimizations, and documentation
adam@2003: 
adam@1950: ========
adam@1950: 20131231
adam@1950: ========
adam@1950: 
adam@1950: - Performance optimizations for Ur/Web's standalone HTTP servers
adam@1950: - New command-line options for those servers: '-k' and '-q'
adam@1950: - New HTML pseudo-tag: <script>
adam@1950: - Trying to recv() from a different client's channel now triggers a run-time
adam@1950:   error.
adam@1950: - New compiler command-line argument: -print-cinclude
adam@1950: - Bug fixes and improvements to optimizations, error messages, and documentation
adam@1950: 
adam@1911: ========
adam@1911: 20131124
adam@1911: ========
adam@1911: 
adam@1911: - Extend 'where con' to allow descending into submodule structure
adam@1911: - Type inference improvements
adam@1911: - Treat transactional FFI functions as effectful by default,
adam@1911:   so that 'effectful'/'benignEffectful' .urp directives aren't necessary
adam@1911: - Interpret 'table' signature items more flexibly,
adam@1911:   automatically adding (Ur) constraints to support
adam@1911:   a kind of subtyping over (SQL) constraint sets
adam@1911: - New header file scheme to support FFI code in either of C or C++
adam@1911: - New command-line arguments: -ccompiler, -print-ccompiler
adam@1911: - More HTML tags: <dd>, <dl>, <dt>, <em>, and <strong>
adam@1911: - Add 'rel' attribute to <a>
adam@1911: - New type synonym 'xhead'
adam@1911: - Refactored the development Mercurial repository to remove autogenerated files
adam@1911: - More integration with Autotools distribution functionality
adam@1911: - Improvements to documentation and compiler error messages
adam@1911: - Bug fixes and optimization improvements
adam@1911: 
adam@1851: ========
adam@1851: 20130421
adam@1851: ========
adam@1851: 
adam@1851: - Allow any FFI module to declare new HTML tags
adam@1851: - Ignore polymorphism in JavaScript calls to custom FFI functions, allowing a
adam@1851:   kind of simple dynamic typing (unsafe, of course)
adam@1851: - Add some name-mangling rules to allow XML attribute 'name' and attributes with
adam@1851:   dashes
adam@1851: - New Basis members: pow and tryRpc
adam@1851: - Add 'placeholder' attribute for <password>
adam@1851: - New standard library functions: Option.unsafeGet
adam@1851: - Add ./configure MLTONARGS option for MLTON arguments
adam@1851: - Bug fixes and documentation improvements
adam@1851: 
adam@1826: ========
adam@1826: 20120925
adam@1826: ========
adam@1826: 
adam@1826: - Changes to optimization/compilation strategy that can speed up compilation and
adam@1826:   reduce code size dramatically
adam@1826: - New .urp directives: 'coreInline' and 'monoInline'
adam@1826: - 'show' instance for 'sql_query'
adam@1826: - Improvements to compiler error messages
adam@1826: - Bug fixes and optimization improvements
adam@1826: 
adam@1806: ========
adam@1806: 20120807
adam@1806: ========
adam@1806: 
adam@1806: - Client-side mouse and keyboard event handlers are now functions over records.
adam@1806: - More flexibility in local type class instances
adam@1806: - Remove 'class' declaration; use 'con' instead now.
adam@1806: - SQL window functions
adam@1806: - New HTML pseudo-tag: <active>
adam@1806: - New Basis members: getenv (and associated functions), giveFocus
adam@1806: - New Top member: postFields (to process POST form data when called by some external script)
adam@1806: - HTTP daemons take '-a' option to set IP address to listen on
adam@1806: - More global mouse event hooks
adam@1806: - Bug fixes and performance improvements
adam@1806: 
adam@1771: ========
adam@1771: 20120519
adam@1771: ========
adam@1771: 
adam@1771: - Compatibility fixes for new Automake and GCC versions
adam@1771: - Allow synchronous RPC's in 'onunload' code
adam@1771: - Start of special cases for parsing CSS class names: interpret "table" as identifier 'tabl'
adam@1771:   (since 'table' is an Ur/Web keyword)
adam@1771: - Bug fixes and improvements to type inference and optimization
adam@1771: 
adam@1758: ========
adam@1758: 20120512
adam@1758: ========
adam@1758: 
adam@1758: - New support for CSS style code embedded in Ur/Web programs.
adam@1758:   Two recommended usage methods:
adam@1758:   1. Use 'style' attributes with normal CSS syntax inside string literals.
adam@1758:   2. Generate styles programmatically with the Style module of the Gui library
adam@1758:      (distributed separately).
adam@1758: - 'dynStyle' attribute, which is to 'style' as 'dynClass' is to 'class'
adam@1758: - Parsing of standard syntax for 'class' attributes, via specially interpreted
adam@1758:   string literals
adam@1758: - New optional suffix for 'rewrite' in .urp files: [-]
adam@1758: - Compiler error message improvements, including simplification of types
adam@1758: - New command line parameters: '-boot', '-dumpTypesOnError', '-unifyMore'
adam@1758: - New .urp directives: 'linker'
adam@1758: - Support for speeding up compilation by caching type inference results:
adam@1758:   Run 'urweb daemon start' to spawn a background process,
adam@1758:   'urweb daemon stop' to kill it.
adam@1758: - Enforcement of uniqueness of top-level module names across a project
adam@1758: - Adjust error message format to match Emacs compilation mode defaults
adam@1758: - More HTML attributes added
adam@1758: - New antiquote syntax for 'PRIMARY KEY'
adam@1758: - Bug fixes and improvements to type inference and platform compatibility
adam@1758: 
adam@1705: ========
adam@1705: 20120329
adam@1705: ========
adam@1705: 
adam@1705: - New JavaScript FFI function: setInnerHTML
adam@1705: - Bug fixes
adam@1705: - Documentation improvements
adam@1705: 
adam@1693: ========
adam@1693: 20120310
adam@1693: ========
adam@1693: 
adam@1693: - 'ORDER BY RANDOM'
adam@1693: - New Basis members: diffInMilliseconds, toMilliseconds
adam@1693: - <radio> widget now returns 'option string' instead of 'string'
adam@1693: - '-dumpSource' command-line flag
adam@1693: - Bug fixes and optimization improvements
adam@1693: 
adam@1669: ========
adam@1669: 20120110
adam@1669: ========
adam@1669: 
adam@1669: - Improvements to type inference and error messages
adam@1669: - New 'dynClass' pseudo-attribute for most HTML tags
adam@1669: - New 't.*' notation for selecting all columns of a table
adam@1669: - New SQL functions: 'lower' and 'upper'
adam@1669: - 'timeFormat' .urp directive
adam@1669: - Client-side 'debug' and 'naughtyDebug' calls use a browser debug console, if available
adam@1669: - Allow 'source' values to be returned by RPCs
adam@1669: - Change the HTML context classification scheme in 'Basis'
adam@1669: - Rename 'Top.id' to 'ident' to avoid clash with 'Basis.id'
adam@1669: - More client-side function implementations
adam@1669: - Some expanded reference manual sections
adam@1669: - Tweak to linker command line argument order (to prevent issues with new Ubuntu versions)
adam@1669: - Bug fixes
adam@1669: 
adam@1616: ========
adam@1616: 20111127
adam@1616: ========
adam@1616: 
adam@1616: - Improvements to type inference and error messages
adam@1616: - New Basis members: ceil, float, null, round, trunc
adam@1616: - New SQL expression forms: 'IF..THEN..ELSE', 'COALESCE', and 'LIKE'
adam@1616: - Support for the full set of HTML character entities
adam@1616: - Client-side versions of some time-related functions
adam@1616: - New URWEB_PG_CON environment variable
adam@1616: - Allow arguments for 'con' signature items, not just declarations
adam@1616: - Bug fixes and performance improvements
adam@1616: - Tweaks for idiosyncrasies of OS X (like deprecated OpenSSL)
adam@1616: 
adam@1509: ========
adam@1561: 20110917
adam@1509: ========
adam@1509: 
adam@1509: - Start of official tutorial
adam@1509: - Compiler support for generating nice tutorial HTML from literate source files
adam@1509: - New protocol 'static' for generating static pages
adam@1561: - Replace GCCARGS 'configure' variable with CCARGS
adam@1561: - Better support for compilation with Clang (including on OS X)
adam@1561: - Fancier 'configure' script with versioning
adam@1523: - Applications consult URWEB_STACK_SIZE environment variable to determine thread
adam@1523:   stack size
adam@1561: - HTML tag IDs now drawn from an abstract type
adam@1561: - New Basis functions: diffInSeconds, mkMonad, onClick, onDblclick, onKeydown,
adam@1561:   onKeypress, onKeyup, onMousedown, onMouseup, preventDefault, stopPropagation,
adam@1561:   toSeconds
adam@1561: - Add <image> tag
adam@1561: - Add 'target' attribute for <a>
adam@1561: - New compiler command-line option: -dumpTypes
adam@1561: - New syntactic sugar for computed ORDER BY clauses
adam@1561: - Bug fixes and optimization improvements
adam@1509: 
adam@1492: ========
adam@1492: 20110715
adam@1492: ========
adam@1492: 
adam@1492: - Treat local variables the same as module-level variables, for the purpose of
adam@1492:   implicit argument insertion
adam@1492: - New 'noXsrfProtection' directive for .urp files
adam@1492: - Non-debug builds omit source location information in error messages shown to
adam@1492:   the user (but keep that information in log entries)
adam@1492: - Basis.getHeader and Basis.setHeader
adam@1492: - Basis.show_css_class
adam@1492: - Basis.currentUrlHasQueryString
adam@1492: - Make Basis.rand cryptographically secure
adam@1492: - Client-side versions of Basis.now and Basis.show_time
adam@1492: - Bug fixes
adam@1492: - Improvements to auto-configuration and build process (now builds with LLVM's
adam@1492:   Clang!)
adam@1492: - Clarifications in the manual
adam@1492: 
adam@1458: ========
adam@1460: 20110517
adam@1458: ========
adam@1458: 
adam@1458: - Cygwin compatibility
adam@1458: - Compatibility with Gentoo packaging process, including a .ebuild file
adam@1458: - Change typing of SQL subqueries, to indicate that they may always return NULL
adam@1458:   (for no rows)
adam@1458: - Syntactic sugar for GROUP BY with variable numbers of columns
adam@1458:   (using 'tab.{{c}}', where 'c :: {Type}')
adam@1458: - 'ALL' for SQL relational operators
adam@1458: - Add nullable types to the class for valid operands for SQL arithmetic
adam@1458: - 'alt' attribute for <img>
adam@1458: - <sup> and <sub> HTML tags
adam@1458: - Allow 'debug' and 'naughtyDebug' in client-side code, implemented with 'alert'
adam@1458: - Bug fixes and optimization improvements
adam@1458: 
adam@1400: ========
adam@1414: 20110123
adam@1400: ========
adam@1400: 
adam@1400: - Changes to encoding of SQL aggregate functions: nullable types may be
adam@1400:   aggregated, and non-COUNT aggregates return nullable results.
adam@1400: - SQL subqueries may apply aggregate functions to columns bound in enclosing
adam@1400:   queries.
adam@1400: - Switch from libmhash to OpenSSL.
adam@1400: - 'cdataChar', for injecting arbitrary character codes into XML
adam@1400: - 'crypt', for access to the standard UNIX password encryption routine
adam@1400: - 'readUtc', for parsing time strings in the UTC time zone
adam@1400: - Built-in 'time' type now stores microseconds (which for now are only used in
adam@1400:   connection with Postgres timestamps).
adam@1400: - Client-side URL blessing and redirection
adam@1400: - 'currentUrlHasPost' function
adam@1400: - Transactional 'free' functions now passed an argument indicating whether the
adam@1400:   runtime system expects to retry the transaction.
adam@1400: - Change tasks to allow task kind-specific inputs
adam@1400: - Add 'clientLeaves' and 'periodic' task kinds
adam@1400: - Support for externally-callable pages, via the 'postBody' and 'queryString'
adam@1400:   types and the 'effectfulUrl' function
adam@1400: - 'minHeap' and 'alwaysInline' .urp options
adam@1400: - '-prefix' command-line option
adam@1400: - Comments in .urp files (lines starting with '#')
adam@1400: - Miscellaneous additions to the standard library
adam@1400: - Bug fixes and improvements to type inference and optimization
adam@1400: 
adam@1287: ========
adam@1315: 20101102
adam@1287: ========
adam@1287: 
adam@1287: - Polymorphic variants (see Basis.variant)
adam@1297: - New 'onError' directive for .urp files
adam@1287: - (* *) and <!-- --> comments in XML
adam@1297: - Basis.classes, Basis.confirm, and Basis.tryDml
adam@1309: - New notations ::_ and :::_, for constructor parameters of unknown kind
adam@1297: - Invocations like 'urweb foo' will compile foo.ur as a single-file project,
adam@1297:   even if no foo.urp exists
adam@1309: - '-limit' command-line flag and 'limit' .urp directive
adam@1297: - Bug fixes and optimization improvements
adam@1287: 
adamc@1259: ========
adamc@1273: 20100603
adamc@1259: ========
adamc@1259: 
adamc@1259: - Changed URL escaping convention, to avoid confusing proxies.
adamc@1259:   The new convention is like the normal one, but with '.' instead of '%'.
adamc@1261: - Changed JavaScript compilation of recursive functions to use thunks.
adamc@1261:   This change avoids most costs of functions not referenced on particular
adamc@1261:   pages, reducing loading time dramatically.
adamc@1273: - Support HTTP caching of application-specific JavaScript code
adamc@1273: - Bug fixes
adamc@1259: 
adamc@1255: ========
adamc@1255: 20100506
adamc@1255: ========
adamc@1255: 
adamc@1255: - New experimental checker for information flow and access control policies
adamc@1255:   (See demo at http://www.impredicative.com/ur/scdv/)
adamc@1255: 
adamc@1197: ========
adamc@1197: 20100401
adamc@1197: ========
adamc@1197: 
adamc@1197: - Subquery expressions and FROM items
adamc@1197: - Low-level support for SELECT with no FROM clause
adamc@1197: - Fixes for DBMS-portability of relational operators
adamc@1197: 
adamc@1183: ========
adamc@1190: 20100325
adamc@1183: ========
adamc@1183: 
adamc@1188: - -verbose flag
adamc@1188: - COUNT(col) SQL aggregate function
adamc@1188: - 'benignEffectful' and 'safeGet' .urp commands
adamc@1188: - Remove Basis.getRequestHeader, since it can be used to circumvent cookie
adamc@1188:   security
adamc@1190: - Rename Top.foldR*X to map*X
adamc@1188: - Bug fixes and optimization improvements
adamc@1183: 
adamc@1166: ========
adamc@1166: 20100213
adamc@1166: ========
adamc@1166: 
adamc@1166: - Improvements to 'configure'; should now fail if any uncommon but required
adamc@1166:   package is missing
adamc@1166: - Other fixes to configuration, build system, and C code portability
adamc@1166: - sigfile .urp directive & -sigfile command-line option
adamc@1166: - .urp files with no directives no longer need to begin with blank lines.
adamc@1166: - Other bug fixes
adamc@1166: 
adamc@1137: ========
adamc@1137: 20100130
adamc@1137: ========
adamc@1137: 
adamc@1137: - Conversion to an Automake-based build system, for greater portability in
adamc@1137:   building shared libraries
adamc@1137: - -path and -root command-line flags
adamc@1137: - Exported page handling functions (i.e., those page-generating functions
adamc@1137:   appearing in the main module's signature) may now take any number of
adamc@1137:   arguments, including 0.
adamc@1137: 
adamc@1123: ========
adamc@1123: 20100112
adamc@1123: ========
adamc@1123: 
adamc@1123: - Basis.serialized type family, for storing more types in the database
adamc@1123: - Basis.textBlob, for building blobs from strings
adamc@1123: - Basis.debug function, for server-side debug printing
adamc@1123: - Bug fixes & optimization improvements
adamc@1123: 
adamc@1065: ========
adamc@1103: 20091230
adamc@1065: ========
adamc@1065: 
adamc@1093: - Automatic insertion of implicit arguments in more positions
adamc@1065: - Reifying expressions as URLs and redirecting to them explicitly
adamc@1070: - More syntactic sugar for SQL
adamc@1070: - Typing of SQL queries no longer exposes which tables were used in joins but
adamc@1070:   had none of their fields projected
adamc@1075: - Tasks
adamc@1095: - Dynamic linking of the runtime system
adamc@1077: - Optimization improvements
adamc@1103: - Bug fixes
adamc@1065: 
adamc@1050: ========
adamc@1056: 20091203
adamc@1050: ========
adamc@1050: 
adamc@1050: - Extended cookie interface (breaks backward compatibility for 'setCookie')
adamc@1050: - Bug fixes
adamc@1056: - Extended UTF-8 characters in HTML
adamc@1050: 
adamc@1043: ========
adamc@1043: 20091124
adamc@1043: ========
adamc@1043: 
adamc@1043: - Improved Internet Explorer compatibility
adamc@1043: 
adamc@1020: ========
adamc@1033: 20091108
adamc@1020: ========
adamc@1020: 
adamc@1020: - Bug fixes
adamc@1020: - Optimization improvements
adamc@1021: - Removed a restriction that prevented some RPCs and calls to sleep or recv
adamc@1021:   from compiling
adamc@1020: 
adamc@999: ========
adamc@999: 20091012
adamc@999: ========
adamc@999: 
adamc@999: - Small bug fixes affecting MySQL and SQLite
adamc@999: 
adamc@988: ========
adamc@997: 20091009
adamc@988: ========
adamc@988: 
adamc@988: - Bug fixes
adamc@988: - Improvement to choice of line number to cite in record unification error
adamc@988:   messages
adamc@994: - SELECT DISTINCT
adamc@996: - New extra demos: orm1 and versioned1
adamc@988: 
adamc@985: ========
adamc@985: 20090926
adamc@985: ========
adamc@985: 
adamc@985: - Reimplemented client-side code generation to use an interpreter, rather than
adamc@985:   compilation to JavaScript; this avoids common browser flaws: lack of
adamc@985:   optimization of tail calls and occasional bugs in closure handling.
adamc@985: - Bug fixes
adamc@985: 
adamc@968: ========
adamc@968: 20090919
adamc@968: ========
adamc@968: 
adamc@968: - Bug fixes
adamc@968: - Optimization improvements
adamc@968: - Expanded grid demo in demo/more: optional columns, sorting, filtering,
adamc@968:   paging, selecting rows, aggregate row
adamc@968: 
adamc@929: ========
adamc@929: 20090912
adamc@929: ========
adamc@929: 
adamc@929: - Bug fixes
adamc@929: - Optimization improvements
adamc@929: - New set of extra demos in demo/more
adamc@929: 
adamc@914: ========
adamc@914: 20090825
adamc@914: ========
adamc@914: 
adamc@914: - Many bug fixes
adamc@914: - Remote procedure calls must be marked with the new 'rpc' function.
adamc@914: - Some tweaks to enable usage on OSX (suggested by Paul Snively)
adamc@914: 
adamc@897: ========
adamc@897: 20090718
adamc@897: ========
adamc@897: 
adamc@897: - New application protocols: CGI and FastCGI
adamc@897: - New database backends: MySQL and SQLite
adamc@897: - More JavaScript events added to tags in standard library
adamc@897: - New manual section on using the foreign function interface (FFI)
adamc@897: 
adamc@852: ========
adamc@852: 20090623
adamc@852: ========
adamc@852: 
adamc@852: - Many bug fixes
adamc@852: - Mutually-recursive datatypes
adamc@852: - SML-style pattern-matching syntax for "fun", "fn", and local "val"
adamc@852: - Backwards-incompatible change to syntax of formal constructor parameters to
adamc@852:   value-level functions, to support the previous change
adamc@852: - Path map support inspired by SML/NJ CM and MLton ML Basis
adamc@852: - Start of some new standard library modules
adamc@852: - Some improvements to JavaScript runtime, including better error handling
adamc@852: 
adamc@716: ========
adamc@790: 20090505
adamc@716: ========
adamc@716: 
adamc@716: - Reimplement constructor class resolution to be more general and Prolog-like
adamc@716: - SQL table constraints
adamc@770: - URLs
adamc@736: - Client-side error handling callbacks
adamc@736: - CSS
adamc@736: - Signing cookie values cryptographically to thwart cross site request forgery
adamc@744: - Blobs and HTTP file upload
adamc@752: - SQL outer joins
adamc@755: - SQL views
adamc@756: - Subforms
adamc@768: - C and JavaScript FFI
adamc@768: - Path rewriting
adamc@716: 
adamc@702: ========
adamc@702: 20090405
adamc@702: ========
adamc@702: 
adamc@702: - Asynchronous message-passing and the associated server-side client
adamc@702:   bookkeeping
adamc@702: - Reimplement parts of the client-side runtime system to avoid space leaks
adamc@702: - spawn and sleep
adamc@702: - Expand the constructor class instance rule format
adamc@702: 
adamc@663: ========
adamc@663: 20090312
adamc@663: ========
adamc@663: 
adamc@663: - Replace type-level "fold" with "map"
adamc@663: - Replace expression-level "fold" with folders, defined in Top and
adamc@663:   supported by some special compiler inference
adamc@663: - Replace guarded constructors with guarded types, introduced only by
adamc@663:   guarded expression abstraction, and with a new explicit application form
adamc@663: - Kind polymorphism
adamc@663: - Generalize type classes to constructor classes
adamc@663: - Initial compilation of client-side code to JavaScript
adamc@663: - Initial support for mixed client- and server-side programming (i.e., "AJAX")
adamc@665: - src/coq: Coq formalization of a core Ur-like calculus
adamc@663: 
adamc@506: ========
adamc@561: 20081209
adamc@506: ========
adamc@506: 
adamc@506: - Optimization: Fusing page writes with calls to recursive functions
adamc@523: - Optimization of bottleneck compiler phases
adamc@561: - Reference manual
adamc@561: - SQL arithmetic operators
adamc@506: 
adamc@504: ========
adamc@504: 20081120
adamc@504: ========
adamc@504: 
adamc@504: - Fix bug that sometimes led to omission of initial "<html>" in pages
adamc@504: - Take advantage of nested functions in some demos
adamc@504: - "profile" option that may appear in .urp files, to enable gprof profiling
adamc@663: - "-guided-demo" option that works like "-demo" but uses less screen space for
adamc@663:   prose
adamc@504: 
adamc@467: ========
adamc@497: 20081118
adamc@467: ========
adamc@467: 
adamc@467: - Nested function definitions
adamc@467: - Primitive "time" type
adamc@467: - Nullable SQL columns (via "option")
adamc@467: - Cookies
adamc@663: - Compiler: Specialization of functions to known arguments (especially of
adamc@663:   function type)
adamc@467: 
adamc@435: ========
adamc@435: 20081028
adamc@435: ========
adamc@435: 
adamc@435: - Add GCCARGS configure option
adamc@435: 
adamc@433: ========
adamc@433: 20081027
adamc@433: ========
adamc@433: 
adamc@433: - On missing inputs, print an error message, but don't exit the web server.
adamc@434: - Remove need for "() <-" notation.
adamc@433: 
adamc@433: ========
adamc@433: 20081026
adamc@433: ========
adamc@433: 
adamc@433: - Change 'sed' call to work on OSX.
adamc@433: - Avoid including or linking libpq files on apps that don't use SQL.